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Contacts - Aspherics
Aspheric Contact Lenses

Many people are aware of their prescription, and know if they have some astigmatism as a part of it. What astigmatism does to your vision is cause a distortion or shadowing to images. Large amounts of astigmatism requires special toric contact lenses to correct the vision exactly. However, if if your astigmatism is minimal, an aspheric contact lens can make a dramatic difference in your vision over basic spherical lenses. This noted difference in vision can be seen with night time viewing and low light conditions.

A toric lens is dependent on the lens remaining stable on the eye. If a toric contact lens rotates on the eye, the vision will become degraded.  An aspheric contact can rotate on the eye without affecting the vision. This is the benefits of aspheric lenses over basic spherical lenses and a low powered toric lenses. Aspheric lenses also reduce visual aberrations in general, creating crisp stable vision.
 
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